Soft absorbent sheets, structuring fabrics for making soft absorbent sheets, and methods of making soft absorbent sheets

Patent metadata

Field	Value
Publication number	US-10329716-B2
Application number	US-201815912848-A
Country	US
Kind code	B2
Filing date	Mar 6, 2018
Priority date	Jun 8, 2015
Publication date	Jun 25, 2019
Grant date	Jun 25, 2019

Abstract

Soft absorbent sheets, structuring fabrics for producing soft absorbent sheets, and methods of making soft absorbent sheets. The soft absorbent sheets have a plurality of domed regions or projected regions extending from a surface of the sheets, and connecting regions form a network between domed regions. The domed and projected regions include indented bars that extend across the domed and projected regions in a substantially cross machine direction of the absorbent sheets. The absorbent sheets can be formed by structuring fabrics that have long warp yarn knuckles.

First claim

We claim:

1. An absorbent cellulosic sheet that has a first side and a second side, the absorbent sheet comprising:
(a) a plurality of domed regions projecting from the first side of the sheet, each of the domed regions including a plurality of indented bars extending across a respective domed region in a substantially cross machine direction (CD) of the absorbent sheet, wherein the domed regions are extended substantially along the machine direction (MD) of the absorbent sheet; and
(b) connecting regions forming a network interconnecting the domed regions of the absorbent sheet.

2. An absorbent sheet according to claim 1 , wherein each of the domed regions includes about six indented bars.

3. An absorbent sheet according to claim 1 , wherein at least some of the domed regions include eight indented bars.

4. An absorbent sheet according to claim 1 , wherein the domed regions extend a distance of about 2.5 mm to about 3.0 mm in the MD of the absorbent sheet.

5. An absorbent sheet according to claim 1 , wherein each of the domed regions is positioned adjacent to two other domed regions such that a line of staggered domed regions extends substantially in the MD of the absorbent sheet.

6. An absorbent sheet according to claim 1 , wherein the indented bars are spaced about 0.5 mm apart in the MD of the absorbent sheet.

7. An absorbent sheet according to claim 1 , wherein the domed regions have a substantially rectangular shape.

Assignees

• Gpcp Ip Holdings Llc

Inventors

• Sze Daniel Hue Ming
• Fan Xiaolin
• Chou Hung-Liang
• Oriaran Taiye Philips
• Anand Farminder Singh
• Baumgartner Dean Joseph
• Miller Joseph Henry

Classifications

• B31F1/16

  by elastic belts {(B31F1/18 takes precedence)} · CPC title

• D21H11/00 Primary

  Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only · CPC title

• D21F11/14

  Making cellulose wadding, filter or blotting paper · CPC title

• D21H27/002 Primary

  Tissue paper; Absorbent paper (D21H21/22, D21H27/02, D21H27/20 take precedence; toilet paper A47K10/00; absorbent pads for physiological fluids A61L15/16; making on paper-making machines D21F11/00) · CPC title

• D21F7/12

  Drying · CPC title